1240223057 has 2 divisors, whose sum is σ = 1240223058. Its totient is φ = 1240223056.

The previous prime is 1240223027. The next prime is 1240223087. The reversal of 1240223057 is 7503220421.

It is a balanced prime because it is at equal distance from previous prime (1240223027) and next prime (1240223087).

It can be written as a sum of positive squares in only one way, i.e., 793492561 + 446730496 = 28169^2 + 21136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240223057 - 2¹² = 1240218961 is a prime.

It is a super-2 number, since 2×1240223057² = 3076306462228850498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1240223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620111528 + 620111529.

It is an arithmetic number, because the mean of its divisors is an integer number (620111529).

Almost surely, 2^1240223057 is an apocalyptic number.

It is an amenable number.

1240223057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240223057 is an equidigital number, since it uses as much as digits as its factorization.

1240223057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1240223057 is about 35216.8007774698. The cubic root of 1240223057 is about 1074.4014860525.

Adding to 1240223057 its reverse (7503220421), we get a palindrome (8743443478).

The spelling of 1240223057 in words is "one billion, two hundred forty million, two hundred twenty-three thousand, fifty-seven".